Question: 14 last year 15 7 Problem 1 8 CEO John Goodale, at Southern Illinois Power and Light, has been collecting data on demand 9 for

14 last year 15 7 Problem 1 8 CEO John Goodale, at Southern Illinois Power and Light, has been collecting data on demand 9 for electric power in its western subregion for only the past 2 years. Those data are shown in 10 the table below 11 12 Part 1 13 Year Quarter Demand I 36 II 40 III 39 IV 36 18 I 36 19 II 47 III 43 IV 28 22 next year I II III 25 IV 16 17 this year 20 21 23 24 26 27 28 29 Q1. Generate the forecasts for each of 4 quarters of the next year using 3-Quarter Weighted Moving Average (3WMA). 30 31 32 33 Q2 Compute MAD, MSE, and RMSE

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